Theorem Set.Finite.eq_insert_of_subset_of_encard_eq_succ

Modification history

2023-08-02 02:18
Mathlib/Data/Set/Ncard.lean
feat(Data.Set.Ncard): enat set cardinality (#5908) …
Added Set.Finite.eq_insert_of_subset_of_encard_eq_succView on Github →